Garmin GT20-TM ClearVu Transducer 4-Pin
Enhance your fishing expeditions with the Garmin GT20-TM ClearVu Transducer. This all-in-one unit delivers powerful HD-ID sonar and ClearVu Down Imaging, providing detailed underwater views. Designed for compatibility with Garmin echo dv/cv Fishfinder Series, it offers robust performance with 500W power output for both traditional and ClearVu frequencies. The transom mount design ensures easy installation, and the included 20 ft cable with a built-in temperature sensor adds convenience. Explore depths up to 1,600 ft traditionally and 250 ft with ClearVu.
$89.95
Owner Satisfaction
4.4
/ 5
Category Rank
140
/ 167
#140 in Fish Finders
Price vs Category Average
-91%
Below average
Power Rating (Traditional)
50077200
/ W (/kHz)
Who it's for
- Excellent ClearVü Scanning
- Simple Transom Installation
- Dual Sonar Capability
Who should skip it
- Limited Compatibility (4-Pin)
- Performance at Speed
- No SideVü Scanning
Key Specs
Power Rating (Traditional)
500 W (77/200kHz)
Power Rating (ClearVu)
500 W (455/800kHz)
Max Depth (Traditional)
1,600 ft
Max Depth (ClearVu)
250 ft
Frequencies
77/200 kHz (traditional) and 455 kHz & 800 kHz (ClearVu)
Connector
4-Pin
Cable Length
20 ft
Mounting Type
Transom Mount
Features
- ClearVu Down Imaging for detailed views
- HD-ID sonar for effective fish finding
- 500W power output for deep detection
- Built-in temperature sensor
- Easy transom mount installation
- Compatible with echo dv/cv Fishfinder Series
- 20 ft durable cable included
What customers say
The Garmin GT20-TM Transducer earns high praise for its exceptional value and imaging quality. Users consistently report that the ClearVü scanning provides remarkably crisp, detailed views of underwater structure, significantly improving target identification over standard sonar. Performance in shallow to moderate depths is rated excellent, often surpassing expectations for its accessible price. Installation is another major benefit; the transom mount design is straightforward, allowing for a quick and hassle-free setup process. While performance naturally diminishes in very deep water or at high speeds, the consensus is clear: this transducer is a reliable workhorse. It offers superb detail and dependability, making it a highly recommended upgrade for boaters prioritizing clear structure scanning on a budget.
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